normal

(nôrˈməl)

1. Conforming with, adhering to, or constituting a norm, standard, pattern, level, or type; typical: normal room temperature; one's normal weight; normal diplomatic relations.
2. Biology Functioning or occurring in a natural way; lacking observable abnormalities or deficiencies.
3. Abbr. n or N Chemistry
   a. Designating a solution having one gram equivalent weight of solute per liter of solution.
   b. Designating an aliphatic hydrocarbon having a straight and unbranched chain of carbon atoms.
4. Mathematics
   a. Being at right angles; perpendicular.
   b. Perpendicular to the direction of a tangent line to a curve or a tangent plane to a surface.
5. a. Relating to or characterized by average intelligence or development.
   b. Free from mental illness; sane.

1. Something normal; the standard: scored close to the normal.
2. The usual or expected state, form, amount, or degree.
3. a. Correspondence to a norm.
   b. An average.
4. Mathematics A perpendicular, especially a perpendicular to a line tangent to a plane curve or to a plane tangent to a space curve.

Related Forms:

• norˈmal·ly adverb

(nôrˈməl)